Pith Number

pith:KFKSH4QP

pith:2000:KFKSH4QPHFMEPCOHPDY3N3SN6K

not attested not anchored not stored refs pending

Towards a Precise Measurement of Matter Clustering: Lyman-alpha Forest Data at Redshifts 2-4

David H. Weinberg (Ohio State), David Kirkman (UCSD), David Tytler (UCSD), Lars Hernquist (CfA), Mike Bolte (UCO/Lick), Neal Katz (UMass), Rupert A.C. Croft (Carnegie Mellon), Scott Burles (MIT)

arxiv:astro-ph/0012324 v2 · 2000-12-14 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KFKSH4QPHFMEPCOHPDY3N3SN6K}

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

2 papers in Pith

Machine Learning Techniques for Astrophysics and Cosmology: Lyman-$\alpha$ forest

Cosmological analysis of the DESI DR1 Lyman alpha 1D power spectrum

Receipt and verification

First computed	2026-05-18T04:23:01.429765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

515523f20f39584789c778f1b6ee4df2a4ccdb2a7cfc336c8d14de9bd20a3894

Aliases

arxiv: astro-ph/0012324 · arxiv_version: astro-ph/0012324v2 · doi: 10.48550/arxiv.astro-ph/0012324 · pith_short_12: KFKSH4QPHFME · pith_short_16: KFKSH4QPHFMEPCOH · pith_short_8: KFKSH4QP

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/KFKSH4QPHFMEPCOHPDY3N3SN6K \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 515523f20f39584789c778f1b6ee4df2a4ccdb2a7cfc336c8d14de9bd20a3894

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f144773fe01e13b8367acea966c43d48e0063af027f6fc7e2cc710cc30352855",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-12-14T19:29:32Z",
    "title_canon_sha256": "d123ca020816ba6541a3add41a44ea7aa389a9e8b37cbdd4bbf100aef908a478"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0012324",
    "kind": "arxiv",
    "version": 2
  }
}